· Biogas is produced through the anaerobic decomposition of organic waste, primarily agricultural residues and animal manure.
· The composition of biogas is approximately:
· 55-65% methane (CH₄) → Main fuel component.
· 35-44% carbon dioxide (CO₂) → Non-combustible gas.
· Traces of hydrogen sulfide (H₂S) and ammonia (NH₃).
· Biogas is used for cooking, heating, and electricity generation.
English
75 Questions
300 Marks
90 Mins English English75 Questions300 Marks90 Mins English English20 Questions80 Marks24 Mins English(i) Very dark, cracking clay-dominated soils;
(ii) locally called regur, karail, and bhal;
(iii) high clay varying from 30–60%, base-rich;
(iv) occur in Maharashtra, Madhya Pradesh, Gujarat, Rajasthan, Chhattisgarh and some parts of Karnataka and T.N. __________- is called
[A] Black Soils
[B] Alluvial Soils
[C] Red Soils
[D] Laterite and Lateritic Soils
Choose the correct answer from the options given below:
The following is the list of pesticides:
[a] B.H.C.
[b] D.D.T.
[c] NaCN
[d] Heptachlor
[e] Carbendazim
Choose the correct answer from the options given below:
Objective of GIS
[A] Maximizing the efficiency of planning and decision-making.
[B] Providing efficient means for data distribution and handling.
[C] Elimination of redundant database – minimize duplication.
[D] Capacity to integrate information from many sources.
Choose the most correct answer from the options given below:
| List-I (Land Capability Classes) |
List-II (Colour) |
| (A) Class II |
(I) Green |
| (B) Class IV |
(II) Yellow |
| (C) Class III |
(III) Brown |
| (D) Class I |
(IV) Pink |
Match List-I with List-II
List-I (Characteristic)
(A) Si is replaced by Al³⁺ ions
(B) Attachment of Ca²⁺ on clay surface
(C) Na⁺ replacing other cations on clay surface
(D) H dissociated from hydroxyl ions on clay surface
List-II (Terminology)
(I) Ionic double layer
(II) pH dependent charge
(III) Dispersion of clay
(IV) Isomorphous substitution
Choose the correct answer from the options given below:
Suggested Test Series
Suggested Test Series
